Surprise Surprise! The contestants wake up to a graveyard set-up installed in the garden of the house. 
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Bigg Boss Tamil 3: Vanitha and Mugen on a murdering spree; Day 15, Episode 16 as it happened

From Halloween makeups to Micheal Jackson dance steps, it was a relatively smooth day in the house.

Team CE
Meera gets things started by having them meditate. Sandy can hardly keep his eyes closed.
Losliya teases Kavin by asking him not to look at her all day. Kavin is just happy she isn't mad at him for a previous disagreement. He asks her to hide this matter from Sakshi.
ANNOUNCEMENT! Bigg Boss warns contestants to be wary of escaped 'prisoners' who will 'kill the contestants'. This is a luxury budget task!
Bigg Boss calls contestants and asks them to show how they would defend themselves from an attack. It leads to some hilarious mock-fighting expressions. Watch out for Mohan's routine.
...aaand we have our killer, Vanitha. Bigg Boss gives her a secret cellphone. Mugen is later revealed to be her accomplice.
ONE DOWN! Vanitha is instructed to force Sakshi to remove her makeup, which she accomplishes by convincing the women in the house to put on Halloween makeup.
A sudden announcement from Bigg Boss reveals to everyone that a contestant has been killed. Bigg Boss informs that Sakshi has been killed and sends her to the graveyard dressed in white.
The second murder is assigned, when Bigg Boss asks Vanitha to make Mohan Vaidhya dance like Michael Jackson.
Vanitha explains her plan to Mugen, and suggests that everyone dance in the garden under the pretext of a game.
TWO DOWN! Mohan Vaidhya falls for the plan. Reluctant at first, he finally shakes a leg with Mugen. Visuals of him shaking his belly about will haunt me forever.
DING DING DING. The death bell rings again, as Mohan Vaidhya to the graveyard to join Sakshi.
The day ends when Bigg Boss announces that the game will resume the next day.
Sakshi, in a conversation with Vanitha, says that if Abhirami had a hand in her 'death', she wouldn't let it go.
The day ends with friendly banter between Kavin, Sakshi, Sherin and Losliya.

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